zeus-2.cs.tau.ac.il has no NS records.
NS records for this zone are defined at cs.tau.ac.il.
NS records for this zone are defined at cs.tau.ac.il.
Question and response
Question
dig zeus-2.cs.tau.ac.il. NS
Answer
The response has no answer records.
Authority
cs.tau.ac.il. 86400 SOA zeus-1.cs.tau.ac.il. aco.tauex.tau.ac.il. 544486 10800 3600 5184000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0